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The warehouse that tripled for six weeks: HR for an e-commerce peak

Ganesh HS ·

In brief

  • Peak is a throughput problem: onboarding at volume without losing the record or the safety induction.
  • First-week attrition during peak is the most actionable number you have, and it points at onboarding or one supervisor.
  • Agency staff are your responsibility for safety and escalation, whatever the contract says about employment.
  • The rehire list, carried between seasons, is the strategy; everything else is logistics.

An e-commerce business took on three hundred temporary staff over two weeks for its peak, tripling the warehouse headcount. Onboarding was done in batches on the floor, the safety induction was compressed to fit, and by week two the operation was running. In week two a temporary associate was injured by a powered truck in an aisle that should have been pedestrian-only. The investigation found he had been inducted, in a group of forty, in a session that had covered aisle rules in a slide. It also found that the business had no record of which of the three hundred had attended which session, and that a third of the temporary intake had already left.

Peak is the whole HR year for an e-commerce operation compressed into six weeks, at three times the headcount, with a majority who joined last month. Everything that is loose the rest of the year breaks then, and the breaks are expensive.

Onboarding as throughput

What has to hold at volume
DOCUMENTS    captured at scale, before the first shift, through
             a link - not photographed on the floor
SAFETY       induction before floor access, no exceptions,
             recorded per person, not per session
ROLE         compressed but not skipped; buddy on first shift
CATEGORY     temporary, agency, permanent - held distinctly
             from day one, because they exit differently
ACTIVATION   shift, system access and payroll, same day

The per-person safety record is the line the
investigation in the opening could not find.

The compression is unavoidable; the omissions are not. A safety induction delivered to forty people in a slide session is a session, not an induction, and without a per-person record it cannot be shown to have happened at all. The fix is not longer sessions. It is a short, specific induction — the aisle rules, the equipment they will touch, the escalation route — delivered before floor access, recorded against each name, with the powered-equipment authorisation held separately for the few who have it. The employee onboarding process at peak is a production line, and it needs a production line's record-keeping.

First-week attrition is the number

A third of the intake leaving inside the peak is expensive — each replacement is another induction, another ramp — and it is usually treated as the nature of temporary work. Tracked daily by shift and by supervisor, first-week attrition tells a more specific story: it clusters. One shift, or one supervisor, loses far more than the others on the same pay in the same building. That is not the nature of temporary work. It is a roster that was not published, a break that was not given, a transport that did not run at shift change, or a supervisor who was never briefed on how to manage people who started yesterday. All of those are fixable inside the season, and daily tracking is what makes them visible while there is still a season to fix.

  1. 1

    Track leavers daily, by shift and supervisor

    A spreadsheet is enough. The cluster appears within a week.

  2. 2

    Publish rosters far enough ahead to plan around

    Temporary staff have other lives and other options. A roster published the night before is a resignation letter.

  3. 3

    Run transport at shift change, including nights

    The associate who cannot get home at two in the morning does not come back at two the next afternoon.

  4. 4

    Brief supervisors before peak on managing new people

    Most peak supervisors are permanent associates promoted for six weeks. They have never managed anyone, and the people they manage started yesterday.

Agency staff are yours for safety

A large share of the peak intake typically comes through agencies, and the contract says the agency employs them. For payroll and exit, that is true and the process should route through the agency. For safety, escalation and the standard of induction, the business operating the warehouse is responsible for everyone on its floor, whatever the paperwork says — and an incident involving an agency worker in your aisle is your incident. The practical rule is that agency staff are inducted to the same standard, recorded in the same per-person register, covered by the same escalation route, and included in the daily attrition tracking, while their employment is administered through the agency. Confusing those two things — treating agency staff as the agency's problem for safety because they are the agency's for payroll — is how the opening story happens.

Ramp-down, and the list

The warehouse has to come back down, and how that is handled decides next year. Release is processed in batches to a plan, final settlement is timed to the release date rather than the month end, scanner and locker returns are recorded, system access is revoked, and — the part that matters — a performance note is captured per temporary worker and a rehire list is built before people disperse. A business that rehires a meaningful share of its peak workforce next year trains a fraction of what a business starting fresh does, and the difference shows in the first week of the next peak. The list is the strategy. The rest is logistics.

  • Rehire eligibility per person, noted by the supervisor at release, with a contact that will still work.
  • Conversion criteria stated at joining, so the temporary staff who want a permanent role know what they are working toward during the weeks that matter.
  • Agency performance reviewed against the peak: fill rate, first-week attrition of their supply, incident involvement.
  • The post-peak review held in the fortnight after, while it is fresh, not in the new year.

Rosters and the people who run them

A peak roster is built for three times the usual headcount, across extended shifts, with a supervisor cohort that is mostly permanent associates promoted for six weeks. Publishing it far enough ahead, keeping break and meal arrangements that scale with the headcount, and running transport at every shift change including nights are the attendance, shift and leave process at its most demanding — and the one most often improvised because the people building it have never done it before. The roster is where the first-week attrition cluster usually starts, and the supervisor briefing before peak is where it is prevented.

Using the off-peak

The eleven months that are not peak are when the permanent team and the supervisors are developed, the induction is rebuilt as a production line, the roster and transport arrangements are fixed, and the rehire list is contacted two months out. Businesses that treat peak as an event to survive rebuild it from scratch each year; businesses that treat it as the thing the whole year prepares for open with a returning workforce and a supervisor cohort that has been briefed. That preparation, and the records that make it possible, are what HR for e-commerce and D2C work involves. Where a business has just come through a peak like the one in the opening, the honest first step is the review, in the next fortnight, with the daily attrition sheet and the incident report on the table — and e-commerce HR work usually starts there, because the next peak is closer than it feels.

Questions we are asked

Treat it as a production line: documents before the first shift through a link, a short specific safety induction before floor access recorded per person, role training compressed but not skipped, a buddy on the first shift, same-day activation.

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